Remove bogus assertion in IdempotentOperationsChecker.

llvm-svn: 127687
diff --git a/clang/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
index 495c594..b2177c9 100644
--- a/clang/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
@@ -336,10 +336,9 @@
     = cast<StmtPoint>(C.getPredecessor()->getLocation()).getStmt();
   
   // Ignore implicit calls to setters.
-  if (isa<ObjCPropertyRefExpr>(predStmt))
+  if (!isa<BinaryOperator>(predStmt))
     return;
-  
-  assert(isa<BinaryOperator>(predStmt));
+
   Data.explodedNodes.Add(C.getPredecessor());
 }